| http://purl.uniprot.org/citations/16595684 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/16595684 | http://www.w3.org/2000/01/rdf-schema#comment | "Assembly and trafficking of neurotransmitter receptors are processes contingent upon interactions between intracellular chaperone systems and discrete determinants in the receptor proteins. Kainate receptor subunits, which form ionotropic glutamate receptors with diverse roles in the central nervous system, contain a variety of trafficking determinants that promote either membrane expression or intracellular sequestration. In this report, we identify the coatomer protein complex I (COPI) vesicle coat as a critical mechanism for retention of the kainate receptor subunit KA2 in the endoplasmic reticulum. COPI subunits immunoprecipitated with KA2 subunits from both cerebellum and COS-7 cells, and beta-COP protein interacted directly with immobilized KA2 peptides containing the arginine-rich retention/retrieval determinant. Association between COPI proteins and KA2 subunits was significantly reduced upon alanine substitution of this signal in the cytoplasmic tail of KA2. Temperature-sensitive degradation of COPI complex proteins was correlated with an increase in plasma membrane localization of the homologous KA2 receptor. Assembly of heteromeric GluR6a/KA2 receptors markedly reduced association of KA2 and COPI. Finally, the reduction in COPI binding was correlated with an increased association with 14-3-3 proteins, which mediate forward trafficking of other integral signaling proteins. These interactions therefore represent a critical early checkpoint for biosynthesis of functional KARs."xsd:string |
| http://purl.uniprot.org/citations/16595684 | http://purl.org/dc/terms/identifier | "doi:10.1074/jbc.m512098200"xsd:string |
| http://purl.uniprot.org/citations/16595684 | http://purl.uniprot.org/core/author | "Yan S."xsd:string |
| http://purl.uniprot.org/citations/16595684 | http://purl.uniprot.org/core/author | "Swanson G.T."xsd:string |
| http://purl.uniprot.org/citations/16595684 | http://purl.uniprot.org/core/author | "Vivithanaporn P."xsd:string |
| http://purl.uniprot.org/citations/16595684 | http://purl.uniprot.org/core/date | "2006"xsd:gYear |
| http://purl.uniprot.org/citations/16595684 | http://purl.uniprot.org/core/name | "J Biol Chem"xsd:string |
| http://purl.uniprot.org/citations/16595684 | http://purl.uniprot.org/core/pages | "15475-15484"xsd:string |
| http://purl.uniprot.org/citations/16595684 | http://purl.uniprot.org/core/title | "Intracellular trafficking of KA2 kainate receptors mediated by interactions with coatomer protein complex I (COPI) and 14-3-3 chaperone systems."xsd:string |
| http://purl.uniprot.org/citations/16595684 | http://purl.uniprot.org/core/volume | "281"xsd:string |
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